Duplex inking roller



' 0t.15,1929. U BELLE I 1,731,739

DUPLEX INKING ROLLER 4 Filed Feb. 10, 192'? gmntoz %MMM Patented Oct.15, 1929 NIT D 51' AT it'lE rarest or DUPLEX INKING ROLLER Applicationfiled February 10, 1927. Serial No. 167,250.

This invention relates to ink-supplying means for use in connection withmachines of the type known as Burroughs adding machines or multigraphprinting presses or the like, and more particularly to rotary inkcontainers or inking rollers especially designed for applying ink to thetype or printing means used in machines of the character referred to. pi

The primary object of the invention is to provide a sectional or duplexink supplying roller with associated means for applying ink to the typeor printing devices of machines of the character referred to, whereby aconstant supply of ink is maintained and evenly distributed over thesurface of the type or printing means.

A further object is to provide a fluid. inking reservoir consisting ofhollow or tubular inner and outer telescopically connected members eachhaving minute orifices therein and provided with simple and efiicientmeans for adjusting and holding the two members in relatively stationaryposition with the orifices in one member in registering position withthe orifices in the other member, or in non-registering position, and tovary at will the quantity of ink supplied to the printing devices.

The invention will first be hereinafter more particularly described,with reference to the accompanying drawings, which are to be taken as apart of this specification, and then pointed out in the claims at theend of the description.

In said drawings, Fig. 1 represents a longitudinal side elevation of oneroller or section and a sectional view of the other roller or section ofa duplex fluid inking reservoir or inking roller embodying my invention;

Fig. 2 is a transverse section taken on the line 22 of Fig. 1; and

Fig. 3 is a plan view showing triple rollers or roller sections.

My improved duplex or sectional inking roller is adapted to'be appliedto machines of known construction, by means such as are ordinarilyemployed for, attaching ink supplying rollers to such machines; theinven tion being designed for general application to machines ofdifferent types, in which printing devices are used, and it is thoughtto be unnecessary to illustrate or describe any particular type ofmachine with which the ink supplying roller may be used, or the meansemployed for attaching the same thereto.

Referring to said drawings, in which the same reference letters are usedto denote corresponding part s -in different views, I have shown, inFig. 1, two fluid inking reservoirs or ink supplying rollers A, A,revolubly mounted in suitable bearings provided therefor on a supportingframe B, and inasmuch as these two rollers are substantially identicalin construction, a description of one will suiiice as a description ofboth.

Each roller consists of an innermember a and an outer member apreferably of tubular form, each having minute orifices therein arrangednormally in registering position with the orifices in the other member,or vice 'versa; one member being movable upon or within the other memberso as to cause the orifices therein to register with the orifices in theother member, or not, as desired.

The outer end of the inner member has secured thereto or formedintegrally therewith a tubular axial extension a which is exteriorlythreaded and protrudes through a circular opening in a side portion ofthe frame B, and has formed thereon or secured thereto, at its innerend, a radial projection or flange a to which is secured, by means of apin a or other fastening means, an, end portionof a cylindrical body Iof felt or other absorbent material surrounding the outer member of theink container.

Preferably said body consists of a series of rings i of suitablematerial secured together so as in effect to form a solid body by a boltor bolts a passing through the series of rings and connecting circularend plates am having central openings therein fitted upon the outermember of the container. To insure the feed of the ink more freely or ingreater measure thanif the central openings through the rings were ofthe same size and adapted to fit closely around the surface of the outermember of the container, the opening through each alternate ring 2',starting with the next to the outer ring of the series at either end ispreferably larger than the openings through the adjacent rings onopposite sides thereof, so as to provide a slight clearance or annularspace between the surface of the outer member of the container and theinner surface of the ring, in which space the fluid may flow around thecontainer.

To the aforesaid side portion of the frame B is secured, by set screwsor the like, a ring C having on its inner edge an annular flange 0, soas to provide between it and the adj acent frame bar an annular recessin which is revolubly fitted an annular radial flange on the inner endof an adjusting device D, preferably in the form of a thumb nut screwedon said axial extension a and adapted to be turned in either forward orbackward direction for the purpose of moving the inner member of thecontainer in the direction of its axis so as to cause the orificestherein to register with the orifices in the other member, or viceversa, according to the direction in which the nut is turned.

The outer end or head portion of the nut has a milled surface tofacilitate turning it and spaced indentations therein with which a toothon the free end of a resilientpawl or dog 6 may engage to prevent thenut from turning, except by applied force; said pawl being carried by aring or washer E, which is fitted loosely on the axial extension (4 andadapted to be non-rotatively confined thereon between a lock nut Fscrewed on said ex tension and a nut or interiorly threaded end portionof an open-ended tubular member Gr also screwed on said extension andforming an auxiliary fluid container having a filling aperture thereinco-incident with a hollow boss on which is screwed a cap 9 for closingsaid aperture.

The said adjusting nut for opening and closing the orifices in thecontainer. as shown at the right hand side of Fig. 1, is in openposition with the toothed end of the pawl e engaging an indentation inits periphery so as to hold the two members of the container with theorifices therein in registering position, while the adjusting nut at theleft hand side of Fig. 1 is shown in the position it occupies when thepawl c engages an indentation in its periphery, so as to hold the twomembers of the container with the orifices therein in separatedrelation, or non-registering position, but by turning the adjusting nutwith suflicicnt force to release the pawl from the detent, the innermember of the container will be moved in the direction of its axissufficiently to bring the orifices therein into position to registerwith the orifices in the outer member, or vice versa, in which positionthe adjusting nut and the two members will be retained by the detentuntil the nut is again turned.

A spreading or distributing roller H is shown for applying ink to thetype or printing devices, although in some instances it may be preferredto run the inking rollers directly over the type. This roller isrevolubly mounted on the machine frame by means of rockable levers h inwhich it has its bearings and which are pivoted atan intermediate pointto a flexed element of the machine frame, so as to adapt the roller tocontact with the printing devices for applying ink thereto. Said rollerH is held in yieldingcontact with the surface of the absorbent body I bymeans of a spring or springs K connecting the free end of one or bothlevers h with a fixed part of the machine frame.

Both inking rollers or both sections of the duplex roller may be rotatedin unison, by means of a ratchet wheel L secured on the inner end of oneof the rollers or roller sections and adapted toengage a pawl (notshown) pivotally attached to the operating mechanism of the machine, orif-desired, each roller may be rotated independently 10f the other bymeans of a ratchet wheel on the in her end of each roller actuated byseparate pawls pivotally attached to said operating mechanism.

When this ink contalner or inking roller is used in connection with amachine such as ing a connection at one end with a key lever on thekeyboard.

If desired to use three or more rollers or roller sections, a thirdroller'A without the axial extensions shown in Fig. 1, may be placedbetween rollers A A as shown in Fig. 3, and actuated by means of pawland ratchet connections in the same manner as the duplex roller, thethird roller being provided with a filling aperture at one end thereof,as shown, in which is secured a removable stopper In operation, when itis desired to adjust the movable member of the container so as to openor close the ports formed by the orifices in the two members when inregistering position, the thumb nut is turned slightly so as to releasethe toothed end of the resilient pawl 0 carried by the adjacent nut fromengagement with one of a series of depressions therein and cause thetoothed end of the pawl to snap into engagement with another depression,thus separating the orifices in the two members of the container orbringing them together, more or less closely, to cause the device tofeed faster or slower, as desired;

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent of the United States is:

1. In a machine of the character described, a fluid inking reservoircomprising telescopically connected tubular members supported in a framemember and each closed at one end and having minute orifices thereinspaced apart longitudinally thereof, and a body of absorbent materialsurrounding the outer of the telescopically connected members andrevoluble therewith; the outer. of said members being movable upon theinner member in the direction of their axes, so as to cause registrationor nonregistration of the orifices of the one with the otheras desired,and means for adjusting said outer and movable member from a pointoutside the supporting frame member, together with means for holding thetwo members relatively stationarywith their orifices in eitherregistering or non-registering position while rotate-d together; one ofsaid members being formed with a tubular extension having a tubularclosure provided with a filling aperture.

' 2. In a machine of the characterdescribed,

, a fluid inking reservoir comprising telescopmember, togetherwith meansfor holding the two members relatively stationary but ointly revolubleon their axes with the orifices therein in either registering ornon-registering position; the inner member having a tubular axialextension with closure therefor provided with a filling aperture.

3. In a machine of the character described, a fluid inking reservoirembodying a fluid container consisting of orifices therein spacedapartlongitudinally the "eof, and a body of absor ent materialsurrounding the outer of the telescopically connected members andrevoluble therewith; one

of said members being movable upon or within the other member in thedirection of itsaxis, so as to cause the orifices therein to regi seerwith the orifices in the other member, or vice versa, and the inner ofsaid members having on its outer end a tubular axial extension and atubular closure therefor forming therewith an auxiliary fluid containerprovided with a filling aperture.

4. In a machine of the character described, a plurality of fiuid inkingreservoirs revolu- -a filling aperture.

telescopically connected tubular members each having minute ing movable.upon or within the other in the direction of its axis, so as to causethe orifices tion; the inner member at each side of the frame having atubular axial extension providing an auxiliary fluid container and atubular closure for said extension provided with 5'. In combination witha fluid inking reservoir consisting of hollow inner and outer telesc'opically connected members each having minute orifices therein spacedapart longitudina-lly thereof, and a body of absorbent ma terialsurrounding the outer member and revoluble therewith, one of saidmembers being movable upon or within the other member in the directionof its axis, so as to cause the orifices therein to register withtheorifices in the other member, orvice versa, means for ad- .justing saidmovable member and holding it in adjusted position, said meanscomprising a thumbnut screwed on an axial extension of I the movablemember and having lndentations .in its periphery and a pawl or dog fixedon said extension and having on its free enda tooth adapted to engageone of said indentations and yieldingly hold said thumb nut againstrotation, together with means to prevent en-dwise movement of the nutwhile permitting rotary movement thereof, whereby the two members of thecontainer may be locked with the orifices therein in either registeringor non-registering position. I

6.- In a machine of the character ClQSCI'lbBCl,

a fluid inking reservoir comprising telescopically connected tubularmembers each having vminute orifices therein spaced apart longitudinallythereof, and a body of absorbent material surrounding the container andrevoluble therewith; one of said members betherein to register with theorifices in the other member, orvice versa, and means for adjusting saidmovable member and holding the two members relatively stationary withthe" orifices therein in either registering or nona'egisteringposition;one of said members being provided with a filling aperture saidabsorbent body consisting of a series of rings having circular openingstherein; the openings in each alternate ring being enlarged to provideannular spaces for ink to fiow around the outer member of thecontai'ner.

7. In machine of the character described, a fluid inking reservoircomprising telescopically connected members of tubular form each havingminute orifices therein and one movable upon or within the other, so asto cause the orifices therein to register with the orifices in the othermember, or vice versa, and a body of absorbent material consisting of aseries of rings placed side by side around the outer member, eachalternate ring having the opening therein slightly enlarged to providean annular space between it and the outer tube in communication withsaid orifices.

8. In a machine of the character described, a fluid inking reservoircomprising telescopically connected tubular members each having minuteorifices therein spaced apart longitudinally thereof, and a body ofabsorbent material surrounding the container and revoluble therewith;said body consisting of a series of rings circumferentially of the samesize while the diameter of the opening through intermediate rings isgreater than i the diameter of the opening through adjacent rings onopposite sides; one of said members being movable upon or within theother, and means for adjusting said movable member so as to cause theorifices therein to register with the orifices in the other memher, orvice versa, together with means for holding the two members relativelystationary in either registering or non-registering position; one ofsaid members being provided with a filling aperture.

9. In a machine of the character described, a fluid inking reservoircomprising telescopically connected tubular membersrevolubly mounted asa unit in a supporting frame and each having minute orifices thereinspaced apart longitudinally thereof, and a body of absorbent materialsurrounding the outer member and revoluble therewith; one member beingadjustably movable upon or within the other member so as to cause theorifices therein to register with the orifices in the other member, orvice versa; the inner memher having a tubular axial extension beyond thesupporting frame and a tubular closure for said extension therewithforming an auxiliary fluid container, and means for adjusting saidmovable member from a point on the outer side of the supporting frame,together with means for holding the two members relatively stationarywith the orifices therein in either registering or non-registeringposition.

In testimony whereof I affix my signature. CHARLES SUMNER DU BELLE.

